Economic Pen Style Dissolved Oxygen Tester with Replaceable DO probe

L111D01 is a cost-effective pen-style dissolved oxygen meter designed for everyday testing. The L111D01 DO taser is equipped with a replaceable polarographic DO probe for rapid and reliable results in general water samples. Large backlit dual display makes it easy to read both dissolved oxygen and temperature. Each kit includes spare membrane caps and inner solution. Automatic temperature compensation and intelligent HOLD function ensure accuracy and stability. Designed for aquaculture, aquarium, and field dissolved oxygen level checking.

• The most compact and cost-effective dissolved oxygen meter in the market.
• Equipped with a polarographic DO electrode to ensure rapid response, suitable for most dissolved oxygen measurement applications.
• Large clear multi line display with backlit, dual display of temp./DO.
• Comes with two easy-to-install spare membrane caps and inner solution, saving the operation cost.
• Easy one or two points calibration with air saturated by water or water saturated by air.
• Intelligent functions including auto reading HOLD, auto power off, auto Temp. compensation (ATC).
• Dust-proof and waterproof meter meets IP65 rating.

ParameterSpecification
Measuring range0 to 19.99 mg/L (ppm); 0 to 200.0 %
Resolution0.01 mg/L (ppm); 0.1%
Accuracy0.5 mg/L (ppm), including electrode error
Temp. compensation range0 to 60°C (automatic)
Salinity compensation range0 to 40 ppt (manual)
Barometric pressure compensation range700 to 1400 mbar (manual)
Automatic calibrationAir saturated by water; water saturated by air
Electrode typePolarographic
Power supplyAA alkaline battery (1.5V × 1 pc)
Dimensions and weightTester: 180 × 40 × 45 mm / 90 g
IP ratingIP65

Specifications are subject to change without prior notice.

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